diff --git a/gramps/gen/proxy/cache.py b/gramps/gen/proxy/cache.py
index 4b1ab1a41..6e72a5bde 100644
--- a/gramps/gen/proxy/cache.py
+++ b/gramps/gen/proxy/cache.py
@@ -22,6 +22,8 @@
 Proxy class for the Gramps databases. Caches lookups from handles.
 """
 
+from gramps.gen.utils.lru import LRU
+
 class CacheProxyDb:
     """
     A Proxy for a database with cached lookups on handles.
@@ -52,7 +54,6 @@ class CacheProxyDb:
         Clears all caches if handle is None, or
         specific entry.
         """
-        from gramps.gui.views.treemodels.lru import LRU
         if handle:
             del self.cache_handle[handle]
         else:
diff --git a/gramps/gui/views/treemodels/lru.py b/gramps/gen/utils/lru.py
similarity index 100%
rename from gramps/gui/views/treemodels/lru.py
rename to gramps/gen/utils/lru.py
diff --git a/gramps/gui/views/treemodels/basemodel.py b/gramps/gui/views/treemodels/basemodel.py
index e83310b0c..6926486c7 100644
--- a/gramps/gui/views/treemodels/basemodel.py
+++ b/gramps/gui/views/treemodels/basemodel.py
@@ -25,7 +25,7 @@
 # Gramps modules
 #
 #-------------------------------------------------------------------------
-from .lru import LRU
+from gramps.gen.utils.lru import LRU
 from gramps.gen.config import config
 
 class BaseModel: